Added core tool framework files + boost::context assembly stuff (initial, very buggy and unfinished work).

common/tool/tool_base.cpp

@@ -0,0 +1,22 @@
+#include <tool/tool_event.h>
+#include <tool/tool_manager.h>
+
+KiGfx::VIEW *TOOL_BASE::getView()
+{
+	return m_toolMgr->GetView();
+}
+
+KiGfx::VIEW_CONTROLS *TOOL_BASE::getViewControls()
+{	
+	return m_toolMgr->GetViewControls();
+}
+	
+wxWindow * TOOL_BASE::getEditFrameInt()
+{
+	return m_toolMgr->GetEditFrame();
+}
+
+EDA_ITEM * TOOL_BASE::getModelInt()
+{
+	return m_toolMgr->GetModel();
+}